CA2187793A1 - Transcodeur - Google Patents
TranscodeurInfo
- Publication number
- CA2187793A1 CA2187793A1 CA2187793A CA2187793A CA2187793A1 CA 2187793 A1 CA2187793 A1 CA 2187793A1 CA 2187793 A CA2187793 A CA 2187793A CA 2187793 A CA2187793 A CA 2187793A CA 2187793 A1 CA2187793 A1 CA 2187793A1
- Authority
- CA
- Canada
- Prior art keywords
- data stream
- decoder
- coding scheme
- encoder
- motion vectors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/223—Analysis of motion using block-matching
- G06T7/231—Analysis of motion using block-matching using full search
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Prostheses (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94302829 | 1994-04-21 | ||
EP94302829.0 | 1994-04-21 | ||
SG1996003023A SG43051A1 (en) | 1994-04-21 | 1994-04-21 | A transcoder |
GB9414579A GB9414579D0 (fr) | 1994-04-21 | 1994-07-19 | |
GB9414579.4 | 1994-07-19 | ||
PCT/GB1995/000906 WO1995029561A1 (fr) | 1994-04-21 | 1995-04-21 | Transcodeur |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2187793A1 true CA2187793A1 (fr) | 1995-11-02 |
CA2187793C CA2187793C (fr) | 2000-05-30 |
Family
ID=27236117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002187793A Expired - Fee Related CA2187793C (fr) | 1994-04-21 | 1995-04-21 | Transcodeur |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0756803B1 (fr) |
JP (1) | JP3614857B2 (fr) |
CN (1) | CN1090425C (fr) |
AU (1) | AU696085B2 (fr) |
CA (1) | CA2187793C (fr) |
DE (1) | DE69515997T2 (fr) |
ES (1) | ES2145273T3 (fr) |
NZ (2) | NZ284127A (fr) |
SG (1) | SG43051A1 (fr) |
WO (1) | WO1995029561A1 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0893027B1 (fr) * | 1996-04-12 | 2004-08-25 | Imedia Corporation | Système de distribution de vidéo comprimé, ayant un multiplexeur statistique avec des transcodeurs |
GB9611511D0 (en) * | 1996-06-03 | 1996-08-07 | Digi Media Vision Ltd | Improvements in or relating to the bit-rate of a signal |
SE515535C2 (sv) * | 1996-10-25 | 2001-08-27 | Ericsson Telefon Ab L M | En transkoder |
CN1236527A (zh) * | 1997-07-22 | 1999-11-24 | 皇家菲利浦电子有限公司 | 在视频序列之间进行切换的方法及相应的装置 |
US6625320B1 (en) | 1997-11-27 | 2003-09-23 | British Telecommunications Public Limited Company | Transcoding |
US6775325B1 (en) * | 1998-10-07 | 2004-08-10 | Sarnoff Corporation | Method and apparatus for converting the bitrate of an encoded bitstream without full re-encoding |
US6532593B1 (en) * | 1999-08-17 | 2003-03-11 | General Instrument Corporation | Transcoding for consumer set-top storage application |
US6441754B1 (en) | 1999-08-17 | 2002-08-27 | General Instrument Corporation | Apparatus and methods for transcoder-based adaptive quantization |
WO2001039502A1 (fr) * | 1999-11-23 | 2001-05-31 | Koninklijke Philips Electronics N.V. | Commutation sans coupure de flots video mpeg |
US6847406B2 (en) * | 2000-12-06 | 2005-01-25 | Koninklijke Philips Electronics N.V. | High quality, cost-effective film-to-video converter for high definition television |
EP1442599A1 (fr) * | 2001-10-29 | 2004-08-04 | Koninklijke Philips Electronics N.V. | Compression |
WO2004040914A1 (fr) * | 2002-11-01 | 2004-05-13 | Nokia Corporation | Procede et dispositif pour transcoder des images |
US20050111545A1 (en) | 2003-11-25 | 2005-05-26 | Ram Prabhakar | Dynamic packet size control for MPEG-4 data partition mode |
JP4534935B2 (ja) * | 2005-10-04 | 2010-09-01 | 株式会社日立製作所 | トランスコーダ、記録装置及びトランスコード方法 |
US7966361B1 (en) | 2006-02-10 | 2011-06-21 | Nvidia Corporation | Single-cycle modulus operation |
US8705630B2 (en) * | 2006-02-10 | 2014-04-22 | Nvidia Corporation | Adapting one type of encoder to another type of encoder |
JP5022812B2 (ja) | 2007-08-06 | 2012-09-12 | ザインエレクトロニクス株式会社 | 画像信号処理装置 |
JP5709492B2 (ja) * | 2010-12-01 | 2015-04-30 | 三菱電機株式会社 | 画像符号化方式変換装置および画像符号化方式変換プログラム |
CN106231315B (zh) * | 2016-08-05 | 2019-06-14 | 北京数码视讯科技股份有限公司 | 一种视频编码系统和应用该系统的视频编码方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5253244A (en) * | 1980-07-16 | 1993-10-12 | Discovision Associates | System for recording digital information in a pulse-length modulation format |
JPS57166640A (en) * | 1981-04-03 | 1982-10-14 | Hitachi Ltd | Data transmission converting system of buffer device |
NL8402411A (nl) * | 1984-08-02 | 1986-03-03 | Philips Nv | Inrichting voor het korrigeren en maskeren van fouten in een informatiestroom, en weergeeftoestel voor het weergeven van beeld en/of geluid voorzien van zo een inrichting. |
JPH04192080A (ja) * | 1990-11-27 | 1992-07-10 | Mitsubishi Electric Corp | 画像メモリ装置及び画像データ処理方法 |
NL9301358A (nl) * | 1993-08-04 | 1995-03-01 | Nederland Ptt | Transcodeerinrichting. |
US5537440A (en) * | 1994-01-07 | 1996-07-16 | Motorola, Inc. | Efficient transcoding device and method |
-
1994
- 1994-04-21 SG SG1996003023A patent/SG43051A1/en unknown
-
1995
- 1995-04-21 NZ NZ284127A patent/NZ284127A/en not_active IP Right Cessation
- 1995-04-21 WO PCT/GB1995/000906 patent/WO1995029561A1/fr active IP Right Grant
- 1995-04-21 EP EP95915946A patent/EP0756803B1/fr not_active Expired - Lifetime
- 1995-04-21 CN CN95192691A patent/CN1090425C/zh not_active Expired - Fee Related
- 1995-04-21 NZ NZ329781A patent/NZ329781A/en not_active IP Right Cessation
- 1995-04-21 JP JP52745895A patent/JP3614857B2/ja not_active Expired - Fee Related
- 1995-04-21 DE DE69515997T patent/DE69515997T2/de not_active Expired - Lifetime
- 1995-04-21 CA CA002187793A patent/CA2187793C/fr not_active Expired - Fee Related
- 1995-04-21 ES ES95915946T patent/ES2145273T3/es not_active Expired - Lifetime
- 1995-04-21 AU AU22637/95A patent/AU696085B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
SG43051A1 (en) | 1997-10-17 |
AU2263795A (en) | 1995-11-16 |
CA2187793C (fr) | 2000-05-30 |
ES2145273T3 (es) | 2000-07-01 |
NZ284127A (en) | 1998-04-27 |
DE69515997D1 (de) | 2000-05-04 |
CN1090425C (zh) | 2002-09-04 |
EP0756803B1 (fr) | 2000-03-29 |
EP0756803A1 (fr) | 1997-02-05 |
WO1995029561A1 (fr) | 1995-11-02 |
NZ329781A (en) | 1999-10-28 |
DE69515997T2 (de) | 2000-11-02 |
CN1146840A (zh) | 1997-04-02 |
JP3614857B2 (ja) | 2005-01-26 |
JPH09512395A (ja) | 1997-12-09 |
AU696085B2 (en) | 1998-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140422 |